Karina Vetrano was an avid runner.|Instagram/KarinaVetrano

The father of the slain Queens jogger said investigators are close to catching the killer of 30-year-old Karina Vetrano.

Philip Vetrano, 60, and his wife, Cathy Vetrano, held a news conference on Thursday and said investigators "have a number of strong leads."

“We know there is a family member of the killer that we need for them to come forward, to finalize this very quickly,” PhilipVetrano said. “She is in great distress. We know she wants to make that call. Make that call. The [reward] money is there. I guarantee the money. If she waits any longer, someone else is going to claim that fund. The time is now to make that call and get that money. ”

"Until this moment I haven't even been able to say these words out loud. That my baby, my little baby was brutalized by this person," Cathy Vetrano said. "By this evil coward. Her last moments were horrible. I know that anybody that's listening can only imagine. I ask you to imagine if that was their loved one. It could be their sister, someone they once knew. Just imagine that was your loved one and that's how they ended their life here on earth."

“We feel that it’s only going to be a matter of days before this can come to an end,” Philip Vetranosaid.

On Aug. 16, Philip Vetrano even offered the reward money be given to the person of his or her choice should the killer turn him or herself in,NBC 4New York reported.

"Turn yourself in. I will make sure that reward money goes to the person of your choice. The sister, your mother, your brother. It's a life-changer," he said. "You will be caught, so take advantage of that."